32021533345 has 12 divisors (see below), whose sum is σ = 39796564860. Its totient is φ = 24733870784.

The previous prime is 32021533307. The next prime is 32021533373. The reversal of 32021533345 is 54333512023.

It can be written as a sum of positive squares in 6 ways, for example, as 2398648576 + 29622884769 = 48976^2 + 172113^2 .

It is not a de Polignac number, because 32021533345 - 2¹⁹ = 32021009057 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3803350 + ... + 3811759.

It is an arithmetic number, because the mean of its divisors is an integer number (3316380405).

Almost surely, 2^32021533345 is an apocalyptic number.

It is an amenable number.

32021533345 is a deficient number, since it is larger than the sum of its proper divisors (7775031515).

32021533345 is an equidigital number, since it uses as much as digits as its factorization.

32021533345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7615172 (or 7615143 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 31.

The spelling of 32021533345 in words is "thirty-two billion, twenty-one million, five hundred thirty-three thousand, three hundred forty-five".